Brand new CNN polls reveal voters' pulse on impeachment; Trump's legal team argues impeachment process a "charade"; Senate gears up for tense battle over witnesses on first day of impeachment trial; Candidates make massive push in Iowa, caucus in 14 days

New CNN poll: 51% think Trump should be convicted & removed; More women say Trump should be removed than men; 86% of African American voters favor Trump's removal; Majority of voters under age 45 support Trump's removal; 69% want witnesses at president Trump's trial; 48% of republicans want witnesses at the trial; 58% say Trump abused power of the presidency; 57% believe Pres Trump obstructed congress; Pres Trump's approval rating at 43%; 45% say impeachment won't affect Trump's 2020 chances; Swing state voters split on removing Trump from office; WH legal team: impeachment articles "fail to allege any crime", appropriate for Trump to bring up Biden's & Burisma with Ukraine president; Source: fight over Trump trial could play out in open session; Sen. Doug Jones on looming impeachment trial; Trump visits Martin Luther King Jr memorial in DC; Sanders slams Biden's Social Security record ahead of Iowa; Biden: a Warren, Sanders nomination may hurt down-ballot Dems; NYT editorial board endorses both Klobuchar & Warren; High security as heavily armed protesters rally for gun rights; Despite concern, thousands protest peacefully for gun rights; Aircraft carrier named for African-American pearl harbor hero

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